Summary of the Order of Operations and Use of Parentheses in Algebra
The standard order of operations and the use of parentheses in Algebra are summarized.
Rules for Multiplying Two Monomials
The rule for multiplying two monomials and an example demonstrating its execution.
Multiplying a Monomial by a Trinomial
Solving a practical problem algebraically using multiplication of a monomial by a trinomial.
Solving Systems with Substitution
An introduction to using the algebraic method of substitution to solve a system of equations in which one of the equations is not in slope-intercept form.
Associative Law for Addition
The associative law for addition: (a b) c = a (b c).
Two examples using Parentheses in Algebra
Two examples evaluating the effect of parentheses on algebraic expressions.
Multiplying Two Expressions
Multiplying the contents of two sets of parentheses demonstrates how algebra provides the tools to break the most complicated problem into simple, sequential steps.
Multiply a Binomial by a Monomial
A practical problem demonstrating multiplication of a binomial by a monomial.
Other Examples using Parentheses in Mathematics
Using parentheses to clarify an expression. Evaluating expressions containing parentheses within parentheses.
Using the Commutative and Associative Laws Together
The commutative and associative laws for addition can be combined. Demonstration of using the associative and commutative laws together in an addition problem.